problem
Favourite
First Connect Three
Age
7 to 11
Challenge level
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
problem
Favourite
Round the Four Dice
Age
7 to 11
Challenge level
This activity involves rounding four-digit numbers to the nearest thousand.
problem
Favourite
Round the Three Dice
Age
7 to 11
Challenge level
What happens when you round these three-digit numbers to the nearest 100?
problem
Favourite
4 by 4 Mathdokus
Age
7 to 14
Challenge level
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
game
Favourite
Dicey Perimeter, Dicey Area
In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?
problem
Favourite
The Moons of Vuvv
Age
7 to 11
Challenge level
The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?
problem
Favourite
Factor Lines
Age
7 to 14
Challenge level
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
problem
Favourite
Factor-Multiple Chains
Age
7 to 11
Challenge level
Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?
problem
Favourite
Button-Up Some More
Age
7 to 11
Challenge level
How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?
problem
Favourite
Different Deductions
Age
7 to 11
Challenge level
There are lots of different methods to find out what the shapes are worth - how many can you find?
problem
Favourite
Round and round the circle
Age
7 to 11
Challenge level
What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.
problem
Favourite
Making Cuboids
Age
7 to 11
Challenge level
Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?
problem
Favourite
Mystery Matrix
Age
7 to 11
Challenge level
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.
problem
Favourite
Triangles all Around
Age
7 to 11
Challenge level
Can you find all the different triangles on these peg boards, and find their angles?
problem
Favourite
Two and Two
Age
7 to 16
Challenge level
How many solutions can you find to this sum? Each of the different letters stands for a different number.
problem
Favourite
Quadrilaterals
Age
7 to 11
Challenge level
How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?